It depends on what you plan to do with Vue.

If you want to use several recent Poser characters with clothing and props in your Vue scenes, you will probably have to upgrade as with your current system it will be difficult.

Another intermediate option would be to switch to a 64 bit OS on this system and get 8 Gb of RAM.

Fantasy pictures, free 3d models, 3d tutorials and seamless textures on Virtual Lands.